36.64-21=15.64
15.64-6.14=9.5
The answer is she made $9.50 worth in local calls last month
1lbs is 16oz, so do the math: 16x3 is 48. 3lbs is 48oz, meaning this is false.
The playground is a square, so there will be a right triangle formed by diagonal and two sides. So sides length²*2=diagonal length². So the side length is 38.9 meter.
i think it’s is a for the first one